| 1 | ! $Id$ |
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| 2 | |
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| 3 | !--This routine is to be tested with MPI / OMP parallelism |
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| 4 | !--OB 26/03/2018 |
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| 5 | |
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| 6 | SUBROUTINE readchlorophyll(debut) |
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| 7 | |
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| 8 | USE netcdf95, ONLY: nf95_close, nf95_gw_var, nf95_inq_dimid, nf95_inq_varid, nf95_open |
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| 9 | USE netcdf, ONLY: nf90_get_var, nf90_noerr, nf90_nowrite |
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| 10 | USE phys_cal_mod, ONLY: mth_cur |
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| 11 | USE lmdz_grid_phy, ONLY: nbp_lon, nbp_lat, klon_glo, grid2dto1d_glo |
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| 12 | USE lmdz_phys_mpi_data, ONLY: is_mpi_root |
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| 13 | USE lmdz_phys_omp_data, ONLY: is_omp_root |
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| 14 | USE lmdz_phys_para, ONLY: scatter |
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| 15 | USE phys_state_var_mod, ONLY: chl_con |
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| 16 | USE lmdz_print_control, ONLY: prt_level, lunout |
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| 17 | USE lmdz_abort_physic, ONLY: abort_physic |
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| 18 | USE lmdz_yomcst |
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| 19 | |
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| 20 | IMPLICIT NONE |
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| 21 | |
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| 22 | ! Variable input |
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| 23 | LOGICAL debut |
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| 24 | |
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| 25 | ! Variables locales |
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| 26 | INTEGER n_lat ! number of latitudes in the input data |
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| 27 | INTEGER n_lon ! number of longitudes in the input data |
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| 28 | INTEGER n_lev ! number of levels in the input data |
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| 29 | INTEGER n_month ! number of months in the input data |
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| 30 | REAL, ALLOCATABLE :: latitude(:) |
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| 31 | REAL, ALLOCATABLE :: longitude(:) |
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| 32 | REAL, ALLOCATABLE :: time(:) |
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| 33 | INTEGER i, k |
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| 34 | INTEGER, SAVE :: mth_pre |
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| 35 | !$OMP THREADPRIVATE(mth_pre) |
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| 36 | |
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| 37 | ! Champs reconstitues |
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| 38 | REAL, ALLOCATABLE :: chlorocon(:, :, :) |
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| 39 | REAL, ALLOCATABLE :: chlorocon_mois(:, :) |
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| 40 | REAL, ALLOCATABLE :: chlorocon_mois_glo(:) |
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| 41 | |
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| 42 | ! For NetCDF: |
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| 43 | INTEGER ncid_in ! IDs for input files |
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| 44 | INTEGER varid, ncerr |
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| 45 | |
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| 46 | !-------------------------------------------------------- |
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| 47 | CHARACTER (len = 20) :: modname = 'readchlorophyll' |
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| 48 | CHARACTER (len = 80) :: abort_message |
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| 49 | |
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| 50 | !--only read file if beginning of run or start of new month |
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| 51 | IF (debut.OR.mth_cur/=mth_pre) THEN |
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| 52 | |
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| 53 | IF (is_mpi_root.AND.is_omp_root) THEN |
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| 54 | |
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| 55 | CALL nf95_open("chlorophyll.nc", nf90_nowrite, ncid_in) |
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| 56 | |
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| 57 | CALL nf95_inq_varid(ncid_in, "lon", varid) |
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| 58 | CALL nf95_gw_var(ncid_in, varid, longitude) |
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| 59 | n_lon = size(longitude) |
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| 60 | IF (n_lon/=nbp_lon) THEN |
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| 61 | abort_message = 'Le nombre de lon n est pas egal a nbp_lon' |
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| 62 | CALL abort_physic(modname, abort_message, 1) |
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| 63 | ENDIF |
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| 64 | |
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| 65 | CALL nf95_inq_varid(ncid_in, "lat", varid) |
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| 66 | CALL nf95_gw_var(ncid_in, varid, latitude) |
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| 67 | n_lat = size(latitude) |
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| 68 | IF (n_lat/=nbp_lat) THEN |
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| 69 | abort_message = 'Le nombre de lat n est pas egal a jnbp_lat' |
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| 70 | CALL abort_physic(modname, abort_message, 1) |
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| 71 | ENDIF |
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| 72 | |
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| 73 | CALL nf95_inq_varid(ncid_in, "time", varid) |
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| 74 | CALL nf95_gw_var(ncid_in, varid, time) |
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| 75 | n_month = size(time) |
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| 76 | IF (n_month/=12) THEN |
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| 77 | abort_message = 'Le nombre de month n est pas egal a 12' |
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| 78 | CALL abort_physic(modname, abort_message, 1) |
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| 79 | ENDIF |
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| 80 | |
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| 81 | IF (.NOT.ALLOCATED(chlorocon)) ALLOCATE(chlorocon(n_lon, n_lat, n_month)) |
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| 82 | IF (.NOT.ALLOCATED(chlorocon_mois)) ALLOCATE(chlorocon_mois(n_lon, n_lat)) |
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| 83 | IF (.NOT.ALLOCATED(chlorocon_mois_glo)) ALLOCATE(chlorocon_mois_glo(klon_glo)) |
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| 84 | |
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| 85 | !--reading stratospheric AOD at 550 nm |
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| 86 | CALL nf95_inq_varid(ncid_in, "CHL", varid) |
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| 87 | ncerr = nf90_get_var(ncid_in, varid, chlorocon) |
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| 88 | WRITE(lunout, *)'code erreur readchlorophyll=', ncerr, varid |
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| 89 | |
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| 90 | CALL nf95_close(ncid_in) |
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| 91 | |
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| 92 | !---select the correct month |
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| 93 | IF (mth_cur<1.OR.mth_cur>12) THEN |
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| 94 | WRITE(lunout, *)'probleme avec le mois dans readchlorophyll =', mth_cur |
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| 95 | ENDIF |
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| 96 | chlorocon_mois(:, :) = chlorocon(:, :, mth_cur) |
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| 97 | |
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| 98 | !---reduce to a klon_glo grid |
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| 99 | CALL grid2dTo1d_glo(chlorocon_mois, chlorocon_mois_glo) |
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| 100 | |
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| 101 | WRITE(lunout, *)"chrolophyll current month", mth_cur |
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| 102 | DO i = 1, klon_glo |
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| 103 | ! IF(isnan(chlorocon_mois_glo(i)))then ! isnan() is not in the Fortran standard... |
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| 104 | ! Another way to check for NaN: |
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| 105 | IF (chlorocon_mois_glo(i)/=chlorocon_mois_glo(i)) chlorocon_mois_glo(i) = 0. |
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| 106 | ENDDO |
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| 107 | |
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| 108 | ! DEALLOCATE(chlorocon) |
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| 109 | ! DEALLOCATE(chlorocon_mois) |
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| 110 | ! DEALLOCATE(chlorocon_mois_glo) |
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| 111 | |
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| 112 | ENDIF !--is_mpi_root and is_omp_root |
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| 113 | |
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| 114 | !--scatter on all proc |
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| 115 | CALL scatter(chlorocon_mois_glo, chl_con) |
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| 116 | |
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| 117 | !--keep memory of previous month |
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| 118 | mth_pre = mth_cur |
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| 119 | |
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| 120 | ENDIF !--debut ou nouveau mois |
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| 121 | |
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| 122 | END SUBROUTINE readchlorophyll |
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